Omega BB-4A, User Manual, Page: 12 / 24

are made via the and keys. Holding a key in, continuously, will cause the
setpoint temperature to advance more quickly to a desired value. Three scanning
speeds are provided: slow, medium and fast. The minimum and maximum setpoints
are locked.
3.5 Changing the Controller Parameter Settings
The BB-4A operates at its optimum performance when left with its factory
parameter settings. The only internal parameter that the operator should need to
change is the engineering units (°F or °C), or serial communications parameters.
Below are two diagrams: a) menu hierarchy with factory default settings
b) programming procedure.
Figure 4. Menu Hierarchy Showing Factory Default Settings
BB-4A Series Blackbody Calibrator
3
Menu 00 Menu 01 Menu 02 Menu 03 Menu 04 Menu 05
Key Lock SETPOINT Ac.Cd = 02 Ac.Cd = 03 Ac.Cd = 04 Ac.Cd = 05
Ac.Cd
Gn.o1 113 ALr1 1900 id.no 01 SnSr c.A
Gr.o2 ALr2 bAUd 12.o.7 Sn.00
rAtE 24 Cy.t1 01 CAL.L dEC.P
rSEt 122 Cy.t2 CAL.H FILt
H.Hys SP.tt OFF OUt.1 Ht.P
HyS.1 L.SP.L 212 OUt.2 Alr
C.HyS L.SCL CoL.t nor
HyS.2 U.SP.L 1800 A1.HL HI
C.SPr H.SCL A1.Pd Pr
SPr.2 A1.OP LAt
dPnG Nl A2.HL Hl
A2.Pd Pr
A2.OP OFF
Unit F
Changing the Controller’s Parameter Settings
1. Press the key to enter the programming mode. The lower display will
alternately display the menu level and “Ac.Cd.”
2. Use the and keys to change to the desired menu level.
3. Once you have chosen the desired menu use the key to scroll through
the parameters. To change the setting of a given parameter, use the and
keys.
4. To save settings press the key. The controller now exits the programming
menu and return to the normal operating mode.
5. To change settings on other menu levels, you must re-enter the programming
menu (from step #1).
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